Shanghai KOS is the leading anti-Counterfeiting technology provider in China, covering the research , development, manufacturing, marketing and service areas of anti-Counterfeit paper making material.

　KOS is the one who initialy created the “KOS asymmetrical anti-counterfeit theory”， possess Independent intellectual property rights, has been authorized more than twenty patents both in China and oversea countries and plays a leading role in the area across the whole world.

　KOS has successfully developed the series product of OVSR anti-counterfeiting fluorescent fiber,and it is the first time to solve the problem “illegal copy by printing”.

　KOS is equiped with optical Lab, special fibre Lab, paper making Lab and the special designed spinning machine, to ensure the uniqueness of our technology and products.